Arp Inspection Setup - ZyXEL Communications XMG1930-30 User Manual

Figure 376 SECURITY > IPv4 Source Guard > ARP Inspection > ARP Insp. Log Status
The following table describes the labels in this screen.
Table 295 SECURITY > IPv4 Source Guard > ARP Inspection > ARP Insp. Log Status
LABEL
Clearing Log Status Table
Total number of Bindings
Index
Port
VID
Sender MAC
Sender IP
Packet Number
Reason
Time

75.4 ARP Inspection Setup

Use this screen to enable ARP inspection on the Switch. You can also configure the length of time the
Switch stores records of discarded ARP packets and global settings for the ARP inspection log. To open
this screen, click SECURITY > IPv4 Source Guard > ARP Inspection > ARP Insp. Setup.
Chapter 75 ARP Inspection
DESCRIPTION
Click Clear to remove all the log messages that were generated by ARP packets and
that have not been sent to the syslog server yet.
This field displays the number of log messages that were generated by ARP packets
and that have not been sent to the syslog server yet. If one or more log messages are
dropped due to unavailable buffer, there is an entry called overflow with the current
number of dropped log messages.
This field displays a sequential number for each log message.
This field displays the source port of the ARP packet.
This field displays the source VLAN ID of the ARP packet.
This field displays the source MAC address of the ARP packet.
This field displays the source IP address of the ARP packet.
This field displays the number of ARP packets that were consolidated into this log
message. The Switch consolidates identical log messages generated by ARP packets
in the log consolidation interval into one log message. You can configure this interval in
the SECURITY > IPv4 Source Guard > ARP Inspection > ARP Insp. Setup screen.
This field displays the reason the log message was generated.
dhcp deny: An ARP packet was discarded because it violated a dynamic binding with
the same MAC address and VLAN ID.
static deny: An ARP packet was discarded because it violated a static binding with the
same MAC address and VLAN ID.
deny: An ARP packet was discarded because there were no bindings with the same
MAC address and VLAN ID.
dhcp permit: An ARP packet was forwarded because it matched a dynamic binding.
static permit: An ARP packet was forwarded because it matched a static binding.
In the SECURITY > IPv4 Source Guard > ARP Inspection > ARP Insp. VLAN Setup screen,
you can configure the Switch to generate log messages when ARP packets are
discarded or forwarded based on the VLAN ID of the ARP packet.
This field displays when the log message was generated.
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